Mast cell activation syndrome is a condition that causes mast cells to release an inappropriate amount of chemicals into your body. This causes allergy symptoms and a wide range of other symptoms.

Benign tumors are noncancerous growths in the body. They can occur anywhere in the body, grow slowly, and have clear borders. Unlike cancerous tumors, they don’t spread to other parts of the body. If ...

Jay N. Yepuri, MD, MS, FACG, is a board-certified gastroenterologist and member of the Digestive Health Associates of Texas Board of Directors and Executive Committee. Proctalgia fugax causes short ...